Buy: Kerrygold butter
There are a number of butter brands that you can buy at Costco. Kirkland offers an organic version too. Foodies say that you should buy Kerrygold. The milk comes from grass-fed cows and is of better quality.
Buy Kerrygold Butter
ADVERTISEMENT
Buy: Kirkland vodka
While it is a good idea to buy alcohol at Costco, vodka has the best deals. The house-brand vodka at Costco is so good that there are people who think that it is just like Grey Goose. There are also sites that pitted it against name brands in a taste test. The Kirkland French vodka ended up coming out on top!
Buy Kirkland Vodka